#pragma once

#include <iostream>
#include <string>
#include <fstream>
#include <vector>
#include <boost/algorithm/string.hpp>
#include "cppjieba/Jieba.hpp"

namespace ns_util
{
    class FileUtil
    {
    public:
        static bool ReadFile(const std::string& file_path,std::string* out)
        {
            std::ifstream in(file_path,std::ios::in);
            if(!in.is_open())
            {
                std::cerr<<"open file "<<file_path<<" error"<<std::endl;
                return false;
            }
            std::string line;
            while(std::getline(in,line))//按行读
            {
                *out += line;
            }
            in.close();
            return true;
        }
    };

    class StringUtil
    {
    public:
        static void Spilit(const std::string& target,std::vector<std::string>* out,const std::string& sep)
        {
            //boost::token_compress_on开启压缩，多个连续sep当成一个
            boost::split(*out,target,boost::is_any_of(sep),boost::token_compress_on);
        }
    };

    const char* const DICT_PATH = "./dict/jieba.dict.utf8";
    const char* const HMM_PATH = "./dict/hmm_model.utf8";
    const char* const USER_DICT_PATH = "./dict/user.dict.utf8";
    const char* const IDF_PATH = "./dict/idf.utf8";
    const char* const STOP_WORD_PATH = "./dict/stop_words.utf8";

    class JiebaUtil
    {
    private:
        static cppjieba::Jieba jieba;
    public:
        static void CutString(const std::string& stc,std::vector<std::string>* out)
        {
            jieba.CutForSearch(stc,*out);
        }
    };
    cppjieba::Jieba JiebaUtil::jieba(DICT_PATH,HMM_PATH,USER_DICT_PATH,IDF_PATH,STOP_WORD_PATH);
}